used T row: A remarkable, neatly mounted and annotated study, matched with the perforated issues, illustrating the wear, corrosion and re-entering apparent on this row, comprising imperforate singles (20), pairs (3), strips of three (3) and four (2, one showing portions of selvedge and inscription), perforated 16 singles (15), pairs (6) and a strip of three, also a single example perforated 14, each position being individually written-up indicating the degrees of plate damage or repair from the early undamaged states through to repaired states on the perforated issues; mostly good to fine with many of the imperforate issues showing very large to enormous margins